<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录页面</title>
</head>
<body>
    <h1>登陆页面</h1>
    <a href="/content.html">进入内容页面</a><br>

    <div>
        <!-- 默认就是GET -->
        <form action="/login" method="">
            用户名: <input type="text" name="username" value=""><br>
            密码: <input type="password" name="userpasswd" value=""><br>
            <input type="submit" value="提交">
        </form>
    </div>
</body>
</html>